Physiology

What the Numbers Say About Physiology

0.0% of the federal civilian workforce (2,289,472 employees total, March 2025) works in the Physiology occupation (OPM code 413): 312 people, headcount down -3.7% versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend.

Physiology pays $133,178 per year on average, 21.2% above the $109,869 federal civilian average, after moving up 2.9% from the prior period (a broad shift as locality pay tables and grade-level adjustments moved through the workforce). Employees in this role stay an average of 12.8 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.

The Biological Sciences Group family (code 4) groups Physiology together with 30 other related occupations across the federal government. Candidates browsing USAJOBS for Physiology postings should also review these sibling occupations, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.

Within the Biological Sciences Group family, Physiology ranks #22 of 31 by headcount, accounting for 0.4% of the family's combined 69,668 employees.